CN205749135U - A kind of device measuring aerostatic bearing rigidity - Google Patents
A kind of device measuring aerostatic bearing rigidity Download PDFInfo
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- CN205749135U CN205749135U CN201620433199.1U CN201620433199U CN205749135U CN 205749135 U CN205749135 U CN 205749135U CN 201620433199 U CN201620433199 U CN 201620433199U CN 205749135 U CN205749135 U CN 205749135U
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- aerostatic bearing
- reducer
- pressure
- rotor
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 33
- 238000006073 displacement reaction Methods 0.000 claims abstract description 33
- 238000005259 measurement Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
This utility model relates to a kind of device measuring aerostatic bearing rigidity, belongs to precise machining equipment technical field.This utility model includes pressure-regulating valve, support, rotor, pressure transducer, micro-displacement sensor, aerostatic bearing air inlet pipe, Pressure gauge, reducer, workbench；Described support is placed on the table, the reducer of aerostatic bearing is fixed on support, pressure transducer, micro-displacement sensor are threaded connection and are installed on rotor, rotor is moving element and passes reducer, pressure-regulating valve and Pressure gauge are installed in aerostatic bearing air inlet pipe, and aerostatic bearing air inlet pipe is with being threadedly coupled on reducer.This utility model device is simple, it is only necessary to extra interpolation micro-displacement sensor and pressure transducer；Model simplification, it is readily appreciated that, data processing amount is little, simple and convenient；Can be tested by stiffness measurement out by once mounting, reliability height is easily achieved；Low cost.
Description
Technical field
This utility model relates to a kind of device measuring aerostatic bearing rigidity, belongs to precise machining equipment technical field.
Background technology
Along with aerostatic bearing is in the extensive application of every field, its gas film stiffness is relatively low, easily break down and the irreversibility of fault in running, makes one of important means being become inspection Axial Status by experiment test bearing gas film stiffness.
Aerostatic bearing is with air as lubricant medium, there is ultralow coefficient of friction and the highest kinematic accuracy, stronger to the environment such as tolerance such as low temperature, high temperature, radiation, Aero-Space and precision optical machinery are widely applied, rigidity can directly influence the precision of instrument, so the rigidity controlling aerostatic bearing is the important guarantee of precision, the rigidity measuring aerostatic bearing the most more accurately is one of important research content improving its application.
Summary of the invention
This utility model provides a kind of device measuring aerostatic bearing rigidity, for the rigidity measuring aerostatic bearing.
The technical solution of the utility model is: a kind of device measuring aerostatic bearing rigidity, including pressure-regulating valve 1, support 2, rotor 3, pressure transducer 4, micro-displacement sensor 5, aerostatic bearing air inlet pipe 6, Pressure gauge 7, reducer 8, workbench 9；
Described support 2 is placed on workbench 9, the reducer 8 of aerostatic bearing is fixed on support 2, pressure transducer 4, micro-displacement sensor 5 are threaded connection and are installed on rotor 3, rotor 3 is moving element and passes reducer 8, pressure-regulating valve 1 and Pressure gauge 7 are installed in aerostatic bearing air inlet pipe 6, and aerostatic bearing air inlet pipe 6 is with being threadedly coupled on reducer 8.
Described reducer 8 vertical support frame 2 is installed, and pressure transducer 4 and micro-displacement sensor 5 are respectively placed in surface and the underface of rotor 3.I.e. pressure transducer 4 and micro-displacement sensor 5 are in 180 ° of angles, it is ensured that measurement power and displacement are exact value rather than component and displacement component.
The installation of described pressure transducer 4 and micro-displacement sensor 5 is symmetrical to measure distance about support 2, it is simple to post processing, it is ensured that the measuring accuracy of device.
Operation principle of the present utility model is:
The gas film stiffness of aerostatic bearing is reduced to a preferable spring rate, records corresponding pressure and displacement variable by micro-displacement sensor and pressure transducer respectively.
Pressure-regulating valve 1 is utilized to control the pressure of aerostatic bearing air inlet pipe 6 during detection bearing rigidity, rotor 3 is made to float, Pressure gauge 7 carries out pressure monitoring, ensure, during experiment every time, there is identical admission pressure, pressure transducer applies stable external force, pressure and the displacement variable of correspondence can be measured by pressure transducer 4 and micro-displacement sensor 5, change pressure output the most again, calculating corresponding rigidity, repetitive measurement uses meansigma methods, i.e. can get metastable rigidity value.
The beneficial effects of the utility model are: device is simple, it is only necessary to extra interpolation micro-displacement sensor and pressure transducer.Model simplification, it is readily appreciated that, data processing amount is little, simple and convenient.Can be tested by stiffness measurement out by once mounting, reliability height is easily achieved.Low cost, displacement and pressure transducer are relative universal in colleges and universities and factory.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Each label in figure: 1-pressure-regulating valve；2-support；3-rotor；4-pressure transducer；5-micro-displacement sensor；6-aerostatic bearing holds air inlet pipe；7-Pressure gauge；8-reducer；9-workbench.
Detailed description of the invention
Embodiment 1: as it is shown in figure 1, a kind of device measuring aerostatic bearing rigidity, including pressure-regulating valve 1, support 2, rotor 3, pressure transducer 4, micro-displacement sensor 5, aerostatic bearing air inlet pipe 6, Pressure gauge 7, reducer 8, workbench 9；
Described support 2 is placed on workbench 9, the reducer 8 of aerostatic bearing is fixed on support 2, pressure transducer 4, micro-displacement sensor 5 are threaded connection and are installed on rotor 3, rotor 3 is moving element and passes reducer 8, pressure-regulating valve 1 and Pressure gauge 7 are installed in aerostatic bearing air inlet pipe 6, and aerostatic bearing air inlet pipe 6 is with being threadedly coupled on reducer 8.
Described reducer 8 vertical support frame 2 is installed, and pressure transducer 4 and micro-displacement sensor 5 are respectively placed in surface and the underface of rotor 3.
The installation of described pressure transducer 4 and micro-displacement sensor 5 is symmetrical about support 2.
Embodiment 2: as it is shown in figure 1, a kind of device measuring aerostatic bearing rigidity, including pressure-regulating valve 1, support 2, rotor 3, pressure transducer 4, micro-displacement sensor 5, aerostatic bearing air inlet pipe 6, Pressure gauge 7, reducer 8, workbench 9；
Described support 2 is placed on workbench 9, the reducer 8 of aerostatic bearing is fixed on support 2, pressure transducer 4, micro-displacement sensor 5 are threaded connection and are installed on rotor 3, rotor 3 is moving element and passes reducer 8, pressure-regulating valve 1 and Pressure gauge 7 are installed in aerostatic bearing air inlet pipe 6, and aerostatic bearing air inlet pipe 6 is with being threadedly coupled on reducer 8.
Described reducer 8 vertical support frame 2 is installed, and pressure transducer 4 and micro-displacement sensor 5 are respectively placed in surface and the underface of rotor 3.
Embodiment 3: as it is shown in figure 1, a kind of device measuring aerostatic bearing rigidity, including pressure-regulating valve 1, support 2, rotor 3, pressure transducer 4, micro-displacement sensor 5, aerostatic bearing air inlet pipe 6, Pressure gauge 7, reducer 8, workbench 9；
Described support 2 is placed on workbench 9, the reducer 8 of aerostatic bearing is fixed on support 2, pressure transducer 4, micro-displacement sensor 5 are threaded connection and are installed on rotor 3, rotor 3 is moving element and passes reducer 8, pressure-regulating valve 1 and Pressure gauge 7 are installed in aerostatic bearing air inlet pipe 6, and aerostatic bearing air inlet pipe 6 is with being threadedly coupled on reducer 8.
The installation of described pressure transducer 4 and micro-displacement sensor 5 is symmetrical about support 2.
Embodiment 4: as it is shown in figure 1, a kind of device measuring aerostatic bearing rigidity, including pressure-regulating valve 1, support 2, rotor 3, pressure transducer 4, micro-displacement sensor 5, aerostatic bearing air inlet pipe 6, Pressure gauge 7, reducer 8, workbench 9；
Described support 2 is placed on workbench 9, the reducer 8 of aerostatic bearing is fixed on support 2, pressure transducer 4, micro-displacement sensor 5 are threaded connection and are installed on rotor 3, rotor 3 is moving element and passes reducer 8, pressure-regulating valve 1 and Pressure gauge 7 are installed in aerostatic bearing air inlet pipe 6, and aerostatic bearing air inlet pipe 6 is with being threadedly coupled on reducer 8.
Above in conjunction with accompanying drawing, detailed description of the invention of the present utility model is explained in detail, but this utility model is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art are possessed, it is also possible on the premise of without departing from this utility model objective, various changes can be made.
Claims (3)
1. the device measuring aerostatic bearing rigidity, it is characterised in that: include pressure-regulating valve (1), support (2), rotor (3), pressure transducer (4), micro-displacement sensor (5), aerostatic bearing air inlet pipe (6), Pressure gauge (7), reducer (8), workbench (9)；
Described support (2) is placed on workbench (9), the reducer (8) of aerostatic bearing is fixed on support (2), pressure transducer (4), micro-displacement sensor (5) are threaded connection and are installed on rotor (3), rotor (3) is moving element and passes reducer (8), pressure-regulating valve (1) and Pressure gauge (7) are installed in aerostatic bearing air inlet pipe (6), and aerostatic bearing air inlet pipe (6) is with being threadedly coupled on reducer (8).
The device of measurement aerostatic bearing rigidity the most according to claim 1, it is characterized in that: described reducer (8) vertical support frame (2) is installed, and pressure transducer (4) and micro-displacement sensor (5) are respectively placed in surface and the underface of rotor (3).
The device of measurement aerostatic bearing rigidity the most according to claim 1 and 2, it is characterised in that: the installation of described pressure transducer (4) and micro-displacement sensor (5) is symmetrical about support (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620433199.1U CN205749135U (en) | 2016-05-13 | 2016-05-13 | A kind of device measuring aerostatic bearing rigidity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620433199.1U CN205749135U (en) | 2016-05-13 | 2016-05-13 | A kind of device measuring aerostatic bearing rigidity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205749135U true CN205749135U (en) | 2016-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620433199.1U Expired - Fee Related CN205749135U (en) | 2016-05-13 | 2016-05-13 | A kind of device measuring aerostatic bearing rigidity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205749135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769047A (en) * | 2017-01-09 | 2017-05-31 | 中国工程物理研究院机械制造工艺研究所 | A kind of radial rigidity measurement apparatus of the Aerostatic Spindle |
-
2016
- 2016-05-13 CN CN201620433199.1U patent/CN205749135U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769047A (en) * | 2017-01-09 | 2017-05-31 | 中国工程物理研究院机械制造工艺研究所 | A kind of radial rigidity measurement apparatus of the Aerostatic Spindle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20180513 |